Serum hepatitis A IgA antibody

After hepatitis A virus infects human body, anti-HAV-IgM, anti-HAV-IgA, and anti-HAV-IgG antibodies can appear. Among them, anti-HAV-IgM and anti-HAV-IgA appeared earlier, and anti-HAV-IgG appeared later. Clinical detection of anti-HAV-IgM is the basis for early infection of hepatitis A virus.

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